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Old 05-05-2012, 08:10 PM   #1
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New track times with a th350

Well after selling my t56 and buying a used th350 and then rebuilding it, I ran a 12.20 @ 114 mph with a 1.89 sixty on DR's.

My best pass with the t56 was 12.60 @ 113 mph with a 1.98 sixty. I will get slicks next and try for a better sixty!
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97 formula hardtop le heads cc306 ported th350 swap, ported intake,pacesetter LT's,ORY,1.6rr,58mm TB,tunercat $EE, Strange 12 bolt 3:73's,more......
Best pass, 11.94 @ 114.45 mph with a 1.61 60'
Best pass on N20 10.700 @ 126.57 mph with a 1.48 60'
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Old 05-07-2012, 12:25 PM   #2
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Re: New track times with a th350

Always nice to improve and go faster, congrats. Do you have a higher stall converter in the TH350?
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Old 05-07-2012, 03:57 PM   #3
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Re: New track times with a th350

Yes I have a higher stall, Its a Art Carr 3800. I hope to soon go a little faster, the tune is a little rich with AFR's at 11.9 at WOT, I am going to lean it out and see if I can get a 1.6xx sixty and hope to run 11.80's to 11.90's @ the 115 to 116 mph range......Let me know if that it wishing for too much, lol
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97 formula hardtop le heads cc306 ported th350 swap, ported intake,pacesetter LT's,ORY,1.6rr,58mm TB,tunercat $EE, Strange 12 bolt 3:73's,more......
Best pass, 11.94 @ 114.45 mph with a 1.61 60'
Best pass on N20 10.700 @ 126.57 mph with a 1.48 60'
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Old 05-08-2012, 07:14 AM   #4
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Re: New track times with a th350

If you can get that 60 down to a 1.6 that should definately be in the 11's. Good luck.
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1995 TA: Converted Nose...381 LT1...4L80E...12 bolt...3.90 Gears...4000 TC...
Best 1/4 so far 10.87@ 123, 1.48 60ft 3450lbs
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Old 05-08-2012, 05:38 PM   #5
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Re: New track times with a th350

Hey Mystery Bird, can I ask what mods u have? engine size, heads ect.....Just trying to see where I stand aginst other cars...thanks
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97 formula hardtop le heads cc306 ported th350 swap, ported intake,pacesetter LT's,ORY,1.6rr,58mm TB,tunercat $EE, Strange 12 bolt 3:73's,more......
Best pass, 11.94 @ 114.45 mph with a 1.61 60'
Best pass on N20 10.700 @ 126.57 mph with a 1.48 60'
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Old 05-08-2012, 05:55 PM   #6
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Re: New track times with a th350

Old setup is in signature, stock internal LT1, home ported heads, XFI 280 cam, Edge 3600 stall, 3.73 gears, LCA's, SFC, and all the bolt-ons.
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1995 TA: Converted Nose...381 LT1...4L80E...12 bolt...3.90 Gears...4000 TC...
Best 1/4 so far 10.87@ 123, 1.48 60ft 3450lbs
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Old 05-11-2012, 03:12 PM   #7
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Re: New track times with a th350

Headed to the track tonight, hope for a better 60', will post slip later.
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97 formula hardtop le heads cc306 ported th350 swap, ported intake,pacesetter LT's,ORY,1.6rr,58mm TB,tunercat $EE, Strange 12 bolt 3:73's,more......
Best pass, 11.94 @ 114.45 mph with a 1.61 60'
Best pass on N20 10.700 @ 126.57 mph with a 1.48 60'
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Old 05-12-2012, 07:33 AM   #8
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Re: New track times with a th350

Best pass I could manage was a 12.4 @ 115 with a 2.1 60'.....well at least I cut a .003 light...lol
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97 formula hardtop le heads cc306 ported th350 swap, ported intake,pacesetter LT's,ORY,1.6rr,58mm TB,tunercat $EE, Strange 12 bolt 3:73's,more......
Best pass, 11.94 @ 114.45 mph with a 1.61 60'
Best pass on N20 10.700 @ 126.57 mph with a 1.48 60'
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Old 05-13-2012, 05:58 PM   #9
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Re: New track times with a th350

I had to get some hoosiers to get any decent 60's but I think we are pretty close on the ET. Without the nitrous im at 12.1@115 with a 1.72 60'. Pretty sure there would be 11s without the nitrous but I cant get any better than 1.68 or so without the nitrous. I always see others at the track running 11.8s@115-116 but I just couldnt get it right.
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96 Formula WS6 - Forged 383 w/ Eagle crank, Eagle h-beams, wiseco pistons, LE2 cam LE1 heads, moser 12 bolt 4.10s, 42# Lucas injectors, pacesetter longtubes, 58mm TB,Moe Bailey tune, tubular BMR Suspension, kevlar SPEC stg.2: 392rwhp, 407rwtq NA 500 rwhp, 636 rwtq 100 shot; 3320 raceweight; 12.140@115.5 w/ a 1.80 60' NA, 11.46@121 w/ a 1.62 60' 100shot
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Old 05-20-2012, 10:54 PM   #10
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Re: New track times with a th350

Quote:
Originally Posted by mightymouse383 View Post
Well after selling my t56 and buying a used th350 and then rebuilding it, I ran a 12.20 @ 114 mph with a 1.89 sixty on DR's.

My best pass with the t56 was 12.60 @ 113 mph with a 1.98 sixty. I will get slicks next and try for a better sixty!
Hey man glad to see you made an improvement. I am just about finishing up my swap from the t56 to th350 with about the same size stall. The car went around 11.6s @ around 118 and hoping to improve. Much like you the real reason for doing it is to make the car consistent. I did have one question what did you do about the vehicle speed sensor? This is where I am having some difficulty because my car set the VSS code and will not idle and I need to figure out what I am going to do about this. Any help in this area will greatly appreciated.
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Old 05-24-2012, 07:48 PM   #11
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Re: New track times with a th350

OK, I did a little trick. I deleted my ABS about a year agao when I still had the T56, when I installed the th350 I ran the vss harness and spliced it in to the front right abs wheel sensor. I then used tunercat to program the speedo until it was accurate. Really easy and pretty much free.
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97 formula hardtop le heads cc306 ported th350 swap, ported intake,pacesetter LT's,ORY,1.6rr,58mm TB,tunercat $EE, Strange 12 bolt 3:73's,more......
Best pass, 11.94 @ 114.45 mph with a 1.61 60'
Best pass on N20 10.700 @ 126.57 mph with a 1.48 60'
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Old 05-24-2012, 07:53 PM   #12
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Re: New track times with a th350

You might need to idle the car up a little seeing how it is a auto now. Also u need to stay with the t56 tune, if not u will have a ton of codes for the 4l60e.

If you have any more questions let me know, also the car is way faster with the th350. I ran a 12.1 @ 113.60 mph with a 1.76 sixty on a 28 inch drag click in 95 degree weather. I think with some good air the car will run a 11.90 or a 11.80
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97 formula hardtop le heads cc306 ported th350 swap, ported intake,pacesetter LT's,ORY,1.6rr,58mm TB,tunercat $EE, Strange 12 bolt 3:73's,more......
Best pass, 11.94 @ 114.45 mph with a 1.61 60'
Best pass on N20 10.700 @ 126.57 mph with a 1.48 60'
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Old 01-15-2013, 08:22 PM   #13
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Re: New track times with a th350

You guys need to work on the 60's and tuning. My old 355 with Le1 cam/le ported heads ran 11.60@116mph with factory 3.42's in the 10bolt. I ended switching to a Cc306 and got it down to 11.24@120mph with tuning and suspension on motor with only 355ci.
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Old 03-30-2013, 07:33 PM   #14
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Re: New track times with a th350

Best new pass on N20 150 shot 10.800 @ 126.57 mph with a 1.52 60'
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97 formula hardtop le heads cc306 ported th350 swap, ported intake,pacesetter LT's,ORY,1.6rr,58mm TB,tunercat $EE, Strange 12 bolt 3:73's,more......
Best pass, 11.94 @ 114.45 mph with a 1.61 60'
Best pass on N20 10.700 @ 126.57 mph with a 1.48 60'
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Old 03-31-2013, 12:04 AM   #15
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Re: New track times with a th350

Nice, should only get quicker from here on. I have a great Vigilante converter for Th350/th400, sent it in when I pulled my engine out to get freshened up. I have since decided to go turbo LS and I have to start over with stall converter and I'm looking to make somebody a good deal on this Precision Industries converter. My 383 ran 10.80's on motor and on 100 n20 went 9,91@137mph. Lmk
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1995T/A,383" LT1, Lloyd Elliott LT1 heads/SR cam, TH350, BMR& Madman
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Old 03-31-2013, 12:04 AM
 
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